Index: firmware/App/Controllers/Bubble.c
===================================================================
diff -u -rba4b62be88b1a12ff5cd9cc68624302fe4f608a4 -rcd5be724d5a3ba7457e761191d82f278654d7f5c
--- firmware/App/Controllers/Bubble.c	(.../Bubble.c)	(revision ba4b62be88b1a12ff5cd9cc68624302fe4f608a4)
+++ firmware/App/Controllers/Bubble.c	(.../Bubble.c)	(revision cd5be724d5a3ba7457e761191d82f278654d7f5c)
@@ -1,14 +1,14 @@
 /**************************************************************************
 *
-* Copyright (c) 2021-2022 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2021-2024 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
 * @file    Bubble.c
 *
-* @author  (last)      Darren Cox
-* @date    (last)      10-Mar-2022
+* @author  (last)      Dara Navaei
+* @date    (last)      22-Jun-2023
 *
 * @author  (original)  Peman Montazemi
 * @date    (original)  06-May-2021
@@ -19,6 +19,7 @@
 #include "Bubble.h"
 #include "FPGA.h"
 #include "OperationModes.h"
+#include "Switches.h"
 #include "SystemCommMessages.h"
 #include "TaskPriority.h"
 #include "Timers.h"
@@ -50,10 +51,11 @@
 
 static U32 bubblesSelfTestStartTime[ NUM_OF_BUBBLES ];                                      ///< Air bubble detectors self-test start times.
 static BOOL bubblesSelfTestRequested[ NUM_OF_BUBBLES ];                                     ///< Air bubble detectors self-test requested flags.
+static BOOL bubbleDetectionEnabled[ NUM_OF_BUBBLES ];                                       ///< Flag indicates whether air bubble alarm detection is enabled.
 
 /// Interval (in ms) at which to publish air bubble detectors data on CAN bus.
 static OVERRIDE_U32_T bubblesDataPublishInterval = { BUBBLE_PUB_INTERVAL, BUBBLE_PUB_INTERVAL, 0, 0 };
-static U32 bubblesDataPublicationTimerCounter = 0;                                          ///< Timer counter used to schedule air bubble detectors data publication to CAN bus.
+static U32 bubblesDataPublicationTimerCounter;                                              ///< Timer counter used to schedule air bubble detectors data publication to CAN bus.
 
 // ********** private function prototypes **********
 
@@ -73,7 +75,7 @@
 {
     BUBBLES_T bubble;
 
-    for (bubble = ADV; bubble < NUM_OF_BUBBLES; bubble++)
+    for ( bubble = ADV; bubble < NUM_OF_BUBBLES; bubble++ )
     {
         bubblesState[ bubble ] = BUBBLE_NORMAL_STATE;
         bubblesStatus[ bubble ].data = BUBBLE_NOT_DETECTED;
@@ -141,6 +143,33 @@
 
 /*********************************************************************//**
  * @brief
+ * The setVenousBubbleDetectionEnabled function enabled or disables venous
+ * bubble detection.
+ * @details Inputs: none
+ * @details Outputs: bubbleDetectionEnabled[]
+ * @param enabled flag indicates whether venous bubble detection is enabled
+ * @return none
+ *************************************************************************/
+void setVenousBubbleDetectionEnabled( BOOL enabled )
+{
+    bubbleDetectionEnabled[ ADV ] = enabled;
+}
+
+/*********************************************************************//**
+ * @brief
+ * The getVenousBubbleDetectionEnabled function returns the state of the
+ * venous bubble detection enable flag.
+ * @details Inputs: bubbleDetectionEnabled[]
+ * @details Outputs: none
+ * @return bubbleDetectionEnabled[]
+ *************************************************************************/
+BOOL getVenousBubbleDetectionEnabled( void )
+{
+    return bubbleDetectionEnabled[ ADV ];
+}
+
+/*********************************************************************//**
+ * @brief
  * The getBubbleStatus function gets the current reading for a given air bubble
  * detector.
  * @details Inputs: bubblesStatus
@@ -200,34 +229,13 @@
         if ( getSoftwareConfigStatus( SW_CONFIG_DISABLE_BUBBLE_ALARMS ) != SW_CONFIG_ENABLE_VALUE )
 #endif
         {
-            // Check status reading and act upon
-            if ( BUBBLE_DETECTED == getBubbleStatus( bubble ) )
+            // Check for venous bubble alarm if enabled and pump track closed.
+            if ( ( BUBBLE_DETECTED == getBubbleStatus( bubble ) ) &&
+                 ( STATE_CLOSED == getSwitchStatus( PUMP_TRACK_SWITCH ) ) &&
+                 ( bubbleDetectionEnabled[ ADV ] != FALSE ) )
             {
-                if ( getCurrentOperationMode() == MODE_TREA )
-                {
-                    switch ( treatmentState )
-                    {
-                        case TREATMENT_BLOOD_PRIME_STATE:
-                        case TREATMENT_DIALYSIS_STATE:
-                        case TREATMENT_END_STATE:
-                            activateAlarmNoData( ALARM_ID_HD_VENOUS_BUBBLE_DETECTED );
-                            break;
-
-                        case TREATMENT_RINSEBACK_STATE:
-                            activateAlarmNoData( ALARM_ID_HD_VENOUS_BUBBLE_DETECTED_RINSEBACK );
-                            break;
-
-                        default:
-                            // Ignore other treatment states
-                            break;
-                    }
-                }
+                activateAlarmNoData( ALARM_ID_HD_VENOUS_BUBBLE_DETECTED );
             }
-            else // Air bubble not detected
-            {
-                clearAlarmCondition( ALARM_ID_HD_VENOUS_BUBBLE_DETECTED );
-                clearAlarmCondition( ALARM_ID_HD_VENOUS_BUBBLE_DETECTED_RINSEBACK );
-            }
         }
 
         if ( TRUE == bubblesSelfTestRequested[ bubble ] )
@@ -390,7 +398,7 @@
 {
     BOOL result = FALSE;
 
-    if ( status < NUM_OF_BUBBLE_STATUS )
+    if ( ( status < NUM_OF_BUBBLE_STATUS ) && ( bubble < NUM_OF_BUBBLES ) )
     {
         if ( TRUE == isTestingActivated() )
         {